*Updated 11/12/21 2:30PM CST.
Around 12:30 PM CST a large boom was heard, and homes shook. The epicenter appears to be between Helotes Park Estates and Cedar Springs neighborhoods with the event being felt by residents outside of Helotes according to social media comments.
Most comments alluded to possible blasting at the local quarry, but noted the event was not what they usually experience.
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